25501338 has 16 divisors (see below), whose sum is σ = 56669760. Its totient is φ = 8500428.

The previous prime is 25501337. The next prime is 25501351. The reversal of 25501338 is 83310552.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25501337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236070 + ... + 236177.

It is an arithmetic number, because the mean of its divisors is an integer number (3541860).

Almost surely, 2^25501338 is an apocalyptic number.

25501338 is an abundant number, since it is smaller than the sum of its proper divisors (31168422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25501338 is a wasteful number, since it uses less digits than its factorization.

25501338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472258 (or 472252 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25501338 is about 5049.8849491845. The cubic root of 25501338 is about 294.3434137881.

The spelling of 25501338 in words is "twenty-five million, five hundred one thousand, three hundred thirty-eight".